Question 70
(Multiple Choice)
You have isolated DNA from cells in different stages of meiosis within one species.You have determined the relative DNA content for each type,and plotted the results on the graph shown below.Refer to the graph to answer the following questions.
-Imagine that there are twenty-five different species of protists living in a tide pool.Some of these species reproduce both sexually and asexually,and some of them can reproduce only asexually.The pool gradually becomes infested with disease-causing viruses and bacteria.Which species are more likely to thrive in the changing environment?
A)the sexually reproducing species
B)the asexually reproducing species
C)Sexually and asexually reproducing species are equally likely to thrive.
D)the species with the higher mutation rate
E)the species that can form multinucleated cells
Answer